An Ultimate Guide to Fix "Excel Cannot Open the Files" Issue
![✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]](https://www.easeus.com/images/en/data-recovery/drw-pro/excel-cannot-open-the-file-2.png "✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]")
✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]
![✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]](https://www.easeus.com/images/en/data-recovery/drw-pro/excel-cannot-open-the-file-7.png "✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]")
✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]
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Fix: Excel Cannot Open The File Because The File Format Or File Extension Is Not Valid
![Excel Cannot Open the File Because the File Format or File Extension Is Not Valid [3 Ways to Fix]](https://www.isunshare.com/images/article/office/fixed-excel-cannot-open-the-file-because-the-file-format-or-file-extension-is-not-valid/excel-cannot-open-the-file.png "Excel Cannot Open the File Because the File Format or File Extension Is Not Valid [3 Ways to Fix]")
Excel Cannot Open the File Because the File Format or File Extension Is Not Valid [3 Ways to Fix]
excel cannot open the file because the file format or file extension - Microsoft Community
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![✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]](https://www.easeus.com/images/en/data-recovery/drw-pro/excel-cannot-open-the-file.png "✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]")
✓Excel Cannot Open the File Because the Extension Is Not Valid [Windows & Mac Solutions]
Excel cannot open the file because the file format or extension is not valid
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Ultimate Guide to Fix “Excel Cannot Open the File” Error
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